Make money selfishly, assembling a sheet of tenners (7,4,4)

I believe the answer is:

feather ones nest

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'make money selfishly' is the definition.
I can't judge whether this defines the answer.

'assembling a sheet of tenners' is the wordplay.
'assembling' indicates an anagram.
'a'+'sheet'+'of'+'tenners'='asheetoftenners'
'asheetoftenners' anagrammed gives 'FEATHER ONES NEST'.

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(Other definitions for feather ones nest that I've seen before include "Enrich oneself" , "Appropriate stuff" , "put down in personal retreat?" , "use down where you live?" , "Accumulate wealth" .)

I've seen this clue in the Sydney Morning Herald.

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